$$-79.041x\cdot2+1675.7x = -488.47$$

$$ \begin{aligned} -79.041x\cdot2+1675.7x &= -488.47&& \text{simplify left side} \\[1 em]-79x\cdot2+1675x &= -488.47&& \\[1 em]-158x+1675x &= -488.47&& \\[1 em]1517x &= -488.47&& \text{move the $ \color{blue}{ -488 } $ to the left side} \\[1 em]1517x+488 &= 0&& \text{ move the constants to the right } \\[1 em]1517x &= -488&& \text{ divide both sides by $ 1517 $ } \\[1 em]x &= -\frac{488}{1517}&& \\[1 em] \end{aligned} $$

This page was created using